New HSS Co Cobalt Spiral Grooved Step Drill Bits 1 4 Hex Shank Wood Metal Cone

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Fixmee New HSS-Co Cobalt Spiral Grooved Step Drill Bits 1/4" Hex Shank Wood Metal Cone Drilling 3-12mm Hole Saw M35


Fixmee New HSS-Co Cobalt Spiral Grooved Step Drill Bits 1/4



  • Brand Name: fixmee
  • DIY Supplies: Woodworking
  • Type: Core Drill Bit


    • Features

    100% brand new and high quality.
    Made from HSS-Co, heat treatment to it, high hardness, high wear resistance, high toughness, high bending strength, sharp edge, the best choice for processing stainless steel, better than ordinary step drill.
    Unique step structure, a drill can punch out a variety diameters of holes.
    Does not need center punch to assist it, compared with ordinary hemp flower drill, it is stabler and difficult to be broken.
    It has these functions that hemp flower drill does not have, such as burrs removing, chamfering, punching elliptic hole, etc.
    It is suitable for being installed on the pistol drill and bench drill, applicable for punching on these harder workpieces, such as stainless steel, carbon steel, aluminum plate, iron plate, etc.

    Note

    Please water it for cooling while punching so that can prolong its lifetime, rotation rate from 250 to 400 is recommended.

    Specifications

    Material:HSS-Co
    Handle type:Hex handle  
    Handle diameter:1/4" Hex
    Step quantity:9 steps  
    Handle length:31mm  
    Edge length :50mm
    Step diameter:3/4/5/6/7/8/9/10/12mm

    Package Included

    1pc HSS-Co Straight Slot Hex Handle Step Drill

    15050090001_3

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